My website (www.tutstu.com) had Facebook Login. It was working perfectly till the time my website was hosted on GoDaddy. 7 days back I changed the hosting to DigitalOcean (cloud server) and the Facebook Login broke.Its showing "Error Authenticating User" I have checked and confirm that the App ID & Secret Key is correct. No other settings have been changed since the last sucessful login.
I had posted the problem on Facebook Developer Community and some gentleman has suggested "perhaps the ipaddress associated with the app when it was at Godaddy is still associated and FB hasn't updated it with the new location at Digital Ocean"
Please help me with a resolution.